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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/auxv.h>
#include "libs_utils.h"
static unsigned long g_AT_RANDOM;
static unsigned long g_AT_PAGESZ;
static void preinit_ctor() {
g_AT_RANDOM = getauxval(AT_RANDOM);
g_AT_PAGESZ = getauxval(AT_PAGESZ);
}
__attribute__((section(".preinit_array"), used)) void (*preinit_ctor_p)(void) = preinit_ctor;
int main() {
// Did getauxval during preinit get the same results as getauxval now?
CHECK(getauxval(AT_RANDOM) == g_AT_RANDOM);
CHECK(getauxval(AT_PAGESZ) == g_AT_PAGESZ);
return 0;
}
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